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CGT wrote:Oh come on man, what have you done to those beautiful cranks?!?!

First of all, as chrism wrote, you've reduced the stiffness quite a lot. Weight saving is good, but not when it affects the stiffness as much as in this case. Second of all, how much weight have you actually saved? Was it worth it?

Anyhow, it's too late now, so at least finish it of nicely by sanding the rough edges so that it looks nice!

That´s not worth the effort or the small weight reduction fron 408 to 397 grams, so you guys know now, don´t make same mistake as me.

I had these cranks lying around in my garage and always wanted see how pretty the inside was.

I always thought that the forging process used in the hollowtech technology was revolutionary and no other manufacturer can reproduce it using the materials (sure Campagnolo do hollow carbon as does FSA).

does anyone know of another crank manufacturer who can do this?

the Dura-ace & Ultegra cranks (which are of course the siblings of the XTR) have been proven to be some of the stiffest cranks available. I would imagine the XTR (all generations) cranks to perform similar againt there counterparts.

I've used 950, 952 , 960 and now 970 (currently using the last three at this time on different bikes) and they have my respect.

The Spider wrote:I always thought that the forging process used in the hollowtech technology was revolutionary and no other manufacturer can reproduce it using the materials (sure Campagnolo do hollow carbon as does FSA).

does anyone know of another crank manufacturer who can do this?

the Dura-ace & Ultegra cranks (which are of course the siblings of the XTR) have been proven to be some of the stiffest cranks available. I would imagine the XTR (all generations) cranks to perform similar againt there counterparts.

I've used 950, 952 , 960 and now 970 (currently using the last three at this time on different bikes) and they have my respect.

I think Cannondale have their HollowGram technology, If it´s exactly same process, I let other tell us that.
But their former CODA (Magic Motorcycle) cranks was glued together.

I always think the XTR group was far better than anything else - adjusted and in good condition.

Mattias...have you thought about a "next" (raceface) sort of option with this one? ....could make an interesting project!
As for the "stop it's painful" brigade.....many a good part died in the name of progress.....relax! Some of us push the boundary waaaaay past where it should go so we recognise where the "SO ..... THAT DOESN'T WORK" point is......it's sometimes easier to work from the wrong end, back to the beginning. I do prototypes all the time (admittedly, NOT with xtr cranks...but it's all a matter of budget). I think Mattias has indicated this pretty clearly in his posts.

Updated: Racing again! Thought this was unlikely! Eventually, I may even have a decent race!Edit: 2015: darn near won the best South Island series (got second in age-group)..woo hoo Racy Theremery is back!!

Updated: Racing again! Thought this was unlikely! Eventually, I may even have a decent race!Edit: 2015: darn near won the best South Island series (got second in age-group)..woo hoo Racy Theremery is back!!